00437nam a2200169Ia 4500008004100000082001900041100001800060245004400078260003300122300000800155650001800163650002400181653001300205653001200218700002200230700001500252170901s1985    xx            000 0 und d  a595.7051bW23C  aWatson, J.A.L 0aCaste Differentiation in Social Insects  aOxfordbPergamon Pressc1985  a405  aPure Sciences  aZoological sciences  aBehavior  aInsects  aKotber, B.M. Okot  aNoirot, CH